[Insight-developers] changes in level set routines since ITK 3.4 breaks itk-snap

[Luis Ibanez]

Hi Casey,

Thanks !

That will help us a lot to track the problem.


     Luis


---------------------
Casey Goodlett wrote:
> Hi Luis,
> 
> I submitted a bug report in mantis with the requested information here 
> http://www.itk.org/Bug/view.php?id=7454
> 
> Thanks
> 
> Casey
> 
> On Tue, Aug 5, 2008 at 5:21 PM, Luis Ibanez <luis.ibanez at kitware.com 
> <mailto:luis.ibanez at kitware.com>> wrote:
> 
> 
>     Hi Casey,
> 
>     Could you please give us a hand by providing a description
>     of the circumstances in which this error becomes visible ?
> 
>     E.g. a step-by-step set of instructions will be ideal.
> 
>     We should then be able to introduce in ITK a new Nightly
>     test that exercise this same case, and then we can proceed
>     to fix the problem.
> 
> 
>      Thanks for any advice,
> 
> 
>          Luis
> 
> 
>     ---------------------
> 
>     Bill Lorensen wrote:
> 
>         Casey,
> 
>         Snap is an important ITK customer. We'll work with you to figure
>         out the issues.
> 
>         Bill
> 
>         On Tue, Aug 5, 2008 at 5:15 PM, Casey Goodlett
>         <gcasey at sci.utah.edu <mailto:gcasey at sci.utah.edu>> wrote:
> 
>             It's a functionality change.
> 
>             On Tue, Aug 5, 2008 at 3:14 PM, Bill Lorensen
>             <bill.lorensen at gmail.com <mailto:bill.lorensen at gmail.com>>
>             wrote:
> 
>                 Is this a compilation error or functionality change?
> 
>                 On Tue, Aug 5, 2008 at 5:06 PM, Casey Goodlett
>                 <gcasey at sci.utah.edu <mailto:gcasey at sci.utah.edu>>
>                 wrote:
> 
>                     Hi,
> 
>                     I have recently compiled itk-snap 1.6.0.1
>                     <http://1.6.0.1> against the latest version of
>                     ITK,
>                     and the automatic segmentation routines in SNAP no
>                     longer behave
>                     correctly.
>                     When initializing the segmentation routine with a
>                     bubble, the bubble
>                     does
>                     not get correctly converted into a label map using
>                     newer versions of
>                     ITK,
>                     and the level set evolution does not behave
>                     correctly.  Going back to
>                     ITK
>                     3.4 fixes the problem.
> 
>                     I've noticed that there were changes made to the
>                     level set routines in
>                     ITK
>                     with respect to bug 0006156 (
>                     http://public.kitware.com/Bug/view.php?id=6156
>                     ).  I've checked out CVS of ITK before and after
>                     these changes and can
>                     confirm that the problem came about in ITK between
>                     2008-03-01 and
>                     2008-03-06.
> 
>                     I tried toggling the
>                     ITK_DEPRECATED_LEVELSET_INTERPOLATION flag in the
>                     cmake
>                     config but there was no effect on the problem.
> 
>                     I'm unsure how to solve the problem so that snap can
>                     be used against the
>                     current version of ITK.  Can someone explain how the
>                     behavior of the
>                     level
>                     set filters changed?
> 
>                     Thank you
> 
>                     --
>                     Casey Goodlett
> 
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> 
> 
> 
> 
> 
>